Feature:Support USB version 2.0Hot Plug & PlayDurable solid-state storageNo external power is required 4.5V ~ 5.5V from USB portCompatible with USB 1.1/2.0Operating Temp: -10 to +55Deg.CStorage Temp: -20 to +55Deg.CLife:>1 million timesRead Rate: 10Mb-28Mb/S Write Rate: 3-8 Mb/SExcellent USB Memory stick in excellent conditionAbout capacity:4GB = approximately 3.6GB-3.8GB8GB = approximately 7.4GB-7.6GB16GB = approximately 14.4GB-14.8GB32GB = approximately 28.5GB-30GB64GB = approximately 58.5GB-60GB128GB = approximately 110GB-124GVendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MBCalculated, operating system with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;So there are some differences between display capacity and nominal capacity of flash memory productsAttention:1. To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transfer.2. Please do not remove your USB flash drive when it is being used otherwise your data may loss.3. After using USB flash drive, it is better to remove it as soon as possible. That will helps to extend its storage lifetime.Package included:1 X USB Flash Drive